Invited Talks -- Whats and Whys of Neural Network Verification (A Declarative Programming Perspective) -- Modular Higher-Order Effects -- Regular Papers -- Forget and Regeneration Techniques for Optimizing ASP-based Stream Reasoning -- Asynchronous Reactive Programming with Modal Types in Haskell -- FOLD-SE: An Efficient Rule-based Machine Learning Algorithm with Scalable Explainability -- Marketplace Logistics via Answer Set Programming -- Rhyme: A Data-Centric Expressive Query Language for Nested Data Structures -- Rethinking Answer Set Programming Templates -- Cutting the Cake Into Crumbs: Verifying Envy-Free Cake-Cutting Protocols using Bounded Integer Arithmetic -- A direct ASP Encoding for Declare -- Using Logic Programming and Kernel-Grouping for Improving Interpretability of Convolutional Neural Networks -- Hardware implementation of OCaml using a synchronous functional language -- Ontological Reasoning over Shy and Warded Datalog+/- for Streaming-based Architectures -- Explanation and Knowledge Acquisition in Ad Hoc Teamwork -- Automated Interactive Domain-Specific Conversational Agents that Understand Human Dialogs.